Physics Which statement best describes an igneous intrusion? Magma is injected into surrounding rock forming an igneous intrusive Igneous intrusion for when ice crystals splash into lava Magma explodes to the surface and forms a smooth outer layer of rock Magma is exported to an open area and forms iron Magma is injected into surrounding rock forming an igneous intrusive Igneous intrusion for when ice crystals splash into lava Magma explodes to the surface and forms a smooth outer layer of rock Magma is exported to an open area and forms iron ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 400J 20 J 40J 200J 400J 20 J 40J 200J ANSWER DOWNLOAD EXAMIANS APP
Physics The p wave of a normal Electrocardiogram indicates Ventricular depolarization Atrial repolarization Atrial depolarization Ventricular repolarization Ventricular depolarization Atrial repolarization Atrial depolarization Ventricular repolarization ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 4 R/5 5 R R/5 5 R/4 4 R/5 5 R R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight ANSWER DOWNLOAD EXAMIANS APP